adding javascript to a listitems text

 I can't get it to work right. What am I doing wrong?
<asp:ListItem Text="<a href='javascript:window.open('http://www.msn.com', 'MSN', 'toolbar=0,scrollbars=0,location=5,statusbar=0,menubar=0,resizable=0,width=350,height=300, left=200, top=50');'>MSN</a>"></asp:ListItem>

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